On 19/07/2023 10:45, Li, Meng wrote: > > >> -----Original Message----- >> From: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> >> Sent: Wednesday, July 19, 2023 2:39 PM >> To: Li, Meng <Meng.Li@xxxxxxxxxxxxx>; gregkh@xxxxxxxxxxxxxxxxxxx; >> robh+dt@xxxxxxxxxx; krzysztof.kozlowski+dt@xxxxxxxxxx; conor+dt@xxxxxxxxxx; >> dinguyen@xxxxxxxxxx; hminas@xxxxxxxxxxxx; linux-usb@xxxxxxxxxxxxxxx; >> devicetree@xxxxxxxxxxxxxxx >> Cc: linux-kernel@xxxxxxxxxxxxxxx >> Subject: Re: [PATCH 3/3] dt-bindings: usb: dwc2: add compatible "intel,socfpga- >> stratix10-hsotg" >> >> CAUTION: This email comes from a non Wind River email account! >> Do not click links or open attachments unless you recognize the sender and >> know the content is safe. >> >> On 19/07/2023 04:55, Meng Li wrote: >>> Add the compatible "intel,socfpga-stratix10-hsotg" to the DWC2 >>> implementation, because the Stratix DWC2 implementation does not >>> support clock gating. This compatible is used with generic snps,dwc2. >>> >>> Signed-off-by: Meng Li <Meng.Li@xxxxxxxxxxxxx> >> >> Missing changelog, missing versioning. This is v3 or v4. >> >>> --- >>> Documentation/devicetree/bindings/usb/dwc2.yaml | 1 + >>> 1 file changed, 1 insertion(+) >>> >>> diff --git a/Documentation/devicetree/bindings/usb/dwc2.yaml >>> b/Documentation/devicetree/bindings/usb/dwc2.yaml >>> index dc4988c0009c..f90094320914 100644 >>> --- a/Documentation/devicetree/bindings/usb/dwc2.yaml >>> +++ b/Documentation/devicetree/bindings/usb/dwc2.yaml >>> @@ -51,6 +51,7 @@ properties: >>> - amlogic,meson-g12a-usb >>> - amlogic,meson-a1-usb >>> - intel,socfpga-agilex-hsotg >>> + - intel,socfpga-stratix10-hsotg >> >> So you just sent the same patch as before. I pointed you to the proper solution >> with compatibility. >> > > No. not the same. > I don't understand why SoC specific compatible "intel,socfpga-agilex-hsotg" is able to be added, but the SoC specific compatible "intel,socfpga-stratix10-hsotg" is not allowed. > > You said "Where is SoC specific compatible?" > Now, I add the SoC specific compatible "intel,socfpga-stratix10-hsotg", but why it is still not reasonable. The compatible should be added, but I said they are compatible, so express it. I also gave you example of file which expresses it. Why that compatible is not allowed alone? Because what we said here many, many times and because the doc I gave you which explains this. Best regards, Krzysztof